WO2017115643A1 - Turbine blade maintenance method - Google Patents
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- WO2017115643A1 WO2017115643A1 PCT/JP2016/087066 JP2016087066W WO2017115643A1 WO 2017115643 A1 WO2017115643 A1 WO 2017115643A1 JP 2016087066 W JP2016087066 W JP 2016087066W WO 2017115643 A1 WO2017115643 A1 WO 2017115643A1
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- turbine blade
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/002—Cleaning of turbomachines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
- B24C3/325—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes
- B24C3/327—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes by an axially-moving flow of abrasive particles without passing a blast gun, impeller or the like along the internal surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/005—Repairing methods or devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/005—Use of ultrasonics or cavitation, e.g. as primary or secondary action
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
- F05D2230/11—Manufacture by removing material by electrochemical methods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/40—Heat treatment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/72—Maintenance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/80—Repairing, retrofitting or upgrading methods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/90—Coating; Surface treatment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/307—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the tip of a rotor blade
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
2 翼部
2T 翼頂
3 プラットフォーム
4 シャンク
5 内部冷却流路
10 保護層除去システム
11 ブラスト装置
12 超音波洗浄装置
13 加圧水洗浄装置
14 熱処理装置
15 ブラスト装置
16 洗浄装置
17 ブラスト装置
18 熱処理装置 DESCRIPTION OF
Claims (8)
- 外表面に施された保護層としての第1被膜層と、冷媒を流通させる内部冷却流路とを有するタービン翼の補修方法であって、
前記第1被膜層を化学処理により除去する第1被膜層除去工程と、
前記第1被膜層除去工程の後に、前記タービン翼を清浄化するためのブラスト処理を行う清浄化工程と、
前記清浄化工程の後に、前記タービン翼を水槽に浸漬すると共に該水槽内に超音波を伝導させて該タービン翼を洗浄する超音波洗浄処理と、該超音波洗浄処理の後に前記内部冷却流路内に加圧水を噴射する加圧水洗浄処理と、を少なくとも一回行うブラスト粒洗浄工程と、を有することを特徴とするタービン翼の補修方法。 A repair method of a turbine blade having a first coated layer as a protective layer applied to an outer surface and an internal cooling passage for circulating a refrigerant,
Removing the first coated layer by chemical treatment;
A cleaning process for performing blasting for cleaning the turbine blade after the first film layer removing process;
After the cleaning step, an ultrasonic cleaning process for immersing the turbine blade in a water tank and conducting ultrasonic waves in the water tank to clean the turbine blade, and the internal cooling channel after the ultrasonic cleaning process What is claimed is: 1. A method for repairing a turbine blade, comprising: a blast particle washing step of performing pressurized water washing treatment of injecting pressurized water therein at least once. - 前記ブラスト粒洗浄工程の後に、前記タービン翼に前記第1被膜層が残留しているか否かを検査するための熱処理を行うヒートティント工程をさらに有することを特徴とする請求項1に記載のタービン翼の補修方法。 The turbine according to claim 1, further comprising a heat tinting step of performing a heat treatment to inspect whether or not the first coated layer remains on the turbine blade after the blast grain cleaning step. How to repair wings.
- 前記タービン翼は、動翼であり、
前記内部冷却流路は、前記タービン翼の翼頂および翼根で開口し、
前記加圧水洗浄処理は、前記翼頂の開口および前記翼根の開口の何れか一方から該内部冷却流路内に加圧水を噴射することを特徴とする請求項1または2に記載のタービン翼の補修方法。 The turbine blade is a moving blade,
The internal cooling passage opens at the tip and root of the turbine blade,
3. The turbine blade according to claim 1, wherein the pressurized water cleaning process sprays pressurized water into the internal cooling flow passage from any one of the opening of the wing top and the opening of the blade root. Method. - 前記加圧水洗浄処理は、長手方向が鉛直方向に沿うように前記タービン翼を支持した状態で、前記翼頂の開口および前記翼根の開口の鉛直方向上側に位置する一方から加圧水を噴射することを特徴とする請求項3に記載のタービン翼の補修方法。 In the pressurized water cleaning process, with the turbine blade supported so that the longitudinal direction is along the vertical direction, the pressurized water is jetted from one of the opening of the blade top and the upper side of the opening of the blade root in the vertical direction. The method for repairing a turbine blade according to claim 3, characterized in that:
- 前記ブラスト粒洗浄工程は、前回の前記加圧水洗浄処理に対して、前記タービン翼の鉛直方向上下が反対となるように支持方向を切り替えた上で、次回の前記加圧水洗浄処理を行うことを特徴とする請求項4に記載のタービン翼の補修方法。 The blast particle cleaning process is characterized in that the pressurized water cleaning process of the next time is performed after switching the supporting direction so that the vertical direction of the turbine blade is opposite to the previous pressurized water cleaning process. The method for repairing a turbine blade according to claim 4.
- 前記ブラスト粒洗浄工程は、前記翼頂が鉛直方向上側になるように前記タービン翼を支持した状態で一回目の前記加圧水洗浄処理を行うことを特徴とする請求項4または5に記載のタービン翼の補修方法。 The turbine blade according to claim 4 or 5, wherein in the blast particle cleaning step, the pressurized water cleaning process is performed for the first time in a state where the turbine blade is supported such that the blade tip is vertically upward. Repair method.
- 前記第1被膜層除去工程の前に、前記タービン翼に残留する応力が除去されるように熱処理を行う残留応力除去工程と、
前記残留応力除去工程の前に、前記超音波洗浄処理と、該超音波洗浄処理の後に行われる前記加圧水洗浄処理とを少なくとも一回行うスケール洗浄工程と、をさらに有することを特徴とする請求項1から6の何れか一項に記載のタービン翼の補修方法。 A residual stress removing step of performing a heat treatment to remove stress remaining on the turbine blade before the first coating layer removing step;
The method according to claim 1, further comprising: a scale cleaning step of performing at least once the ultrasonic cleaning treatment and the pressurized water cleaning treatment performed after the ultrasonic cleaning treatment before the residual stress removing step. The repair method of the turbine blade according to any one of 1 to 6. - 前記タービン翼は、前記第1被膜層の外側に施された第2被膜層を有し、
前記残留応力除去工程の前に、前記第2被膜層をブラスト処理により除去する第2被膜層除去工程をさらに有することを特徴とする請求項7に記載のタービン翼の補修方法。 The turbine blade has a second coated layer applied to the outside of the first coated layer,
The method for repairing a turbine blade according to claim 7, further comprising a second coating layer removing step of removing the second coating layer by blasting before the residual stress removing step.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16881622.1A EP3315745B1 (en) | 2015-12-28 | 2016-12-13 | Turbine blade maintenance method |
US15/747,530 US11504750B2 (en) | 2015-12-28 | 2016-12-13 | Turbine blade maintenance method |
KR1020187002355A KR102045739B1 (en) | 2015-12-28 | 2016-12-13 | How to repair turbine blades |
CN201680043545.8A CN107849979B (en) | 2015-12-28 | 2016-12-13 | The method for repairing and mending of turbo blade |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2015-256927 | 2015-12-28 | ||
JP2015256927A JP6685722B2 (en) | 2015-12-28 | 2015-12-28 | Turbine blade repair method |
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WO2017115643A1 true WO2017115643A1 (en) | 2017-07-06 |
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PCT/JP2016/087066 WO2017115643A1 (en) | 2015-12-28 | 2016-12-13 | Turbine blade maintenance method |
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US (1) | US11504750B2 (en) |
EP (1) | EP3315745B1 (en) |
JP (1) | JP6685722B2 (en) |
KR (1) | KR102045739B1 (en) |
CN (1) | CN107849979B (en) |
TW (1) | TWI629409B (en) |
WO (1) | WO2017115643A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11105220B2 (en) | 2017-09-22 | 2021-08-31 | Raytheon Technologies Corporation | Turbine element cleaning process |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108340290A (en) * | 2018-04-24 | 2018-07-31 | 哈尔滨奥瑞德光电技术有限公司 | A kind of sapphire broken grain cleaning method and device |
CN109731859A (en) * | 2019-01-11 | 2019-05-10 | 湖州胜纯管道有限公司 | A kind of stainless steel pipe cleaning method |
CN112588639A (en) * | 2020-12-21 | 2021-04-02 | 兰州科近泰基新技术有限责任公司 | Single-wing cleaning method for four-wing type radio frequency quadrupole field linear accelerator |
US11725517B1 (en) * | 2022-05-13 | 2023-08-15 | Raytheon Technologies Corporation | Airfoil tip cleaning and assessment systems and methods |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5507306A (en) * | 1993-12-23 | 1996-04-16 | Howmet Corporation | Cleaning apparatus and method for cleaning internal airfoil cooling passages |
JP2003155935A (en) * | 2001-08-23 | 2003-05-30 | United Technol Corp <Utc> | Method for repairing apertured gas turbine component |
WO2009101690A1 (en) * | 2008-02-14 | 2009-08-20 | Mitsubishi Heavy Industries, Ltd. | Method of regenerating gas turbine blade and gas turbine blade regenerating apparatus |
JP2012062834A (en) * | 2010-09-16 | 2012-03-29 | Mitsubishi Heavy Ind Ltd | Reproducing method of gas turbine blade and reproducing device of gas turbine blade |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10317988A (en) | 1997-05-16 | 1998-12-02 | Mitsubishi Heavy Ind Ltd | Ice particle using method |
US6174380B1 (en) * | 1998-12-22 | 2001-01-16 | General Electric Company | Method of removing hot corrosion products from a diffusion aluminide coating |
US6428683B1 (en) * | 2000-12-15 | 2002-08-06 | United Technologies Corporation | Feedback controlled airfoil stripping system with integrated water management and acid recycling system |
US6599416B2 (en) * | 2001-09-28 | 2003-07-29 | General Electric Company | Method and apparatus for selectively removing coatings from substrates |
EP1321625B1 (en) * | 2001-12-21 | 2004-09-22 | Siemens Aktiengesellschaft | Method for removing a metallic layer |
EP1387040B1 (en) | 2002-08-02 | 2006-12-06 | ALSTOM Technology Ltd | Method of protecting partial areas of a component |
US7008553B2 (en) * | 2003-01-09 | 2006-03-07 | General Electric Company | Method for removing aluminide coating from metal substrate and turbine engine part so treated |
US20050035086A1 (en) * | 2003-08-11 | 2005-02-17 | Chen Keng Nam | Upgrading aluminide coating on used turbine engine component |
US20070125459A1 (en) * | 2005-12-07 | 2007-06-07 | General Electric Company | Oxide cleaning and coating of metallic components |
US20080028605A1 (en) | 2006-07-28 | 2008-02-07 | Lutz Andrew J | Weld repair of metallic components |
US20080241370A1 (en) * | 2007-03-28 | 2008-10-02 | Pratt & Whitney Canada Corp. | Coating removal from vane rings via tumble strip |
US20090252987A1 (en) * | 2008-04-02 | 2009-10-08 | United Technologies Corporation | Inspection and repair process using thermal acoustic imaging |
US9047878B2 (en) * | 2010-11-24 | 2015-06-02 | JVC Kenwood Corporation | Speech determination apparatus and speech determination method |
US8741381B2 (en) * | 2012-05-04 | 2014-06-03 | General Electric Company | Method for removing a coating and a method for rejuvenating a coated superalloy component |
KR20170038348A (en) * | 2015-09-30 | 2017-04-07 | 한국전력공사 | Fault diagnosis system and fault diagnosis method in dynamic equipment |
JP6685721B2 (en) * | 2015-12-28 | 2020-04-22 | 三菱日立パワーシステムズ株式会社 | Turbine blade repair method |
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2016
- 2016-12-13 US US15/747,530 patent/US11504750B2/en active Active
- 2016-12-13 CN CN201680043545.8A patent/CN107849979B/en active Active
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5507306A (en) * | 1993-12-23 | 1996-04-16 | Howmet Corporation | Cleaning apparatus and method for cleaning internal airfoil cooling passages |
JP2003155935A (en) * | 2001-08-23 | 2003-05-30 | United Technol Corp <Utc> | Method for repairing apertured gas turbine component |
WO2009101690A1 (en) * | 2008-02-14 | 2009-08-20 | Mitsubishi Heavy Industries, Ltd. | Method of regenerating gas turbine blade and gas turbine blade regenerating apparatus |
JP2012062834A (en) * | 2010-09-16 | 2012-03-29 | Mitsubishi Heavy Ind Ltd | Reproducing method of gas turbine blade and reproducing device of gas turbine blade |
Non-Patent Citations (1)
Title |
---|
See also references of EP3315745A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11105220B2 (en) | 2017-09-22 | 2021-08-31 | Raytheon Technologies Corporation | Turbine element cleaning process |
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CN107849979A (en) | 2018-03-27 |
US11504750B2 (en) | 2022-11-22 |
EP3315745B1 (en) | 2023-03-22 |
JP2017120053A (en) | 2017-07-06 |
EP3315745A4 (en) | 2018-10-10 |
KR102045739B1 (en) | 2019-11-18 |
KR20180019233A (en) | 2018-02-23 |
US20180207689A1 (en) | 2018-07-26 |
TW201736717A (en) | 2017-10-16 |
JP6685722B2 (en) | 2020-04-22 |
EP3315745A1 (en) | 2018-05-02 |
TWI629409B (en) | 2018-07-11 |
CN107849979B (en) | 2019-09-03 |
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